Home / 50,143.49-75,214.63-12,192.97

Finding the Fourth Proportional to 50,143.49, 75,214.63 and 12,192.97

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Solution

The fourth proportional to 50,143.49, 75,214.63 and 12,192.97 is: 18,289.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,143.49 : 75,214.63 = 12,192.97 : x
  2. Step 2: Convert to fraction form
    50,143.49/75,214.63 = 12,192.97/x
  3. Step 3: Cross multiply
    50,143.49x = 75,214.63 × 12,192.97
  4. Step 4: Simplify right side
    50,143.49x = 917,089,727.15
  5. Step 5: Solve for x
    x = 917,089,727.15/50,143.49
  6. Step 6: Final answer
    x = 18,289.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.